Automatic packaging system for polyester resin
By using the auger and stirring blades in combination with the weighing valve and gravity sensor, the problem of uneven feeding in polyester resin packaging is solved, quantitative packaging and high-precision packaging are achieved, and the stability and efficiency of the equipment are improved.
Patent Information
- Application Number
- CN202422936617.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In the existing polyester resin packaging process, powdered polyester resin is easily adsorbed on the inner wall of the material bin, resulting in uneven material discharge and difficulty in achieving stable quantitative packaging.
The auger and stirring blade are used together, combined with a weighing valve and a gravity sensor. By controlling the number of revolutions of the auger and the opening and closing of the valve plate, quantitative unloading is achieved, and the packaging bags are sealed by a hot melter.
The quantitative packaging of polyester resin powder is realized, which avoids adsorption on the inner wall of the material bin, and improves the packaging accuracy and practicability of the equipment.
Smart Images

Figure CN223408158U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polyester resin packaging equipment, in particular to an automatic packaging system for polyester resin. Background Art
[0002] After the polyester resin is produced, it needs to be packaged. The polyester resin is generally in powder form. During the existing packaging, the polyester resin powder is usually placed in a material bin, and the polyester resin powder is transported to a discharge pipe, and a packaging bag is placed at the bottom of the discharge pipe for receiving and packaging. During the existing packaging, uneven material discharge often occurs, and the polyester resin powder is adsorbed on the inner wall of the material bin, which is inconvenient for stable and quantitative material discharge and inconvenient for use. Utility Model Content
[0003] The purpose of the utility model is to provide an automatic packaging system for polyester resin.
[0004] In order to achieve the above purpose, the present invention provides the following technical solutions:
[0005] The utility model discloses an automatic packaging system for polyester resin, comprising a material bin for containing polyester resin powder, wherein a conical discharge bin is provided at the bottom of the material bin, the bottom of the conical discharge bin is connected to a discharge pipe, the inner wall of the discharge pipe is rotatably connected to a weighing valve, the bottom end of the discharge pipe is connected to a packaging flat tube, the outer wall of the packaging flat tube is provided with a packaging component, the packaging component comprises a packaging bag limiting frame and a hot melter for thermoplastic packaging of the packaging bag, a discharger is installed on the inner wall of the material bin, and a visual window is provided on the outer wall of the material bin.
[0006] Furthermore, the feeder includes a top cover, which is plugged into and installed on the top of the material bin. Air holes are provided on the top of the material bin, and the feed bin is fixedly installed on the inner and outer walls of the material bin.
[0007] Furthermore, an end cover is installed on the top of the feed bin, a servo motor is fixedly installed on the top of the feed bin, an output shaft of the servo motor is connected to a stirring shaft, and a stirring blade is fixedly installed on the outer wall of the stirring shaft.
[0008] Furthermore, the stirring blade is in rotational contact with the inner wall of the conical discharge bin, the bottom end of the stirring shaft is fixedly connected to the auger rod, and the bottom end of the auger rod is in rotational contact with the inner wall of the discharge pipe.
[0009] Furthermore, the weighing valve includes a valve plate, both ends of which are rotatably connected to the inner wall of the discharge pipe through a rotating shaft, a servo motor is fixedly installed on the outer wall of the discharge pipe, and a gravity sensor is fixedly installed on the top of the valve plate.
[0010] Furthermore, a support leg is fixedly installed on the outer wall of the bottom end of the conical lower hopper, and the packaging assembly includes a bracket, which is fixedly installed on the outer wall of the support leg. The top of the bracket is cooperated with and fixedly installed with a bearing seat, and the inner wall of the bearing seat is rotatably connected to the packaging bag feeding roller.
[0011] Furthermore, the hot melter includes a longitudinal support frame, which is installed on the outer wall of the bracket, and the first pneumatic telescopic rod is fixedly installed on the inner wall of the bracket. The output ends of the two first pneumatic telescopic rods are fixedly installed with a first splint, and the outer wall of the first splint is fixedly installed with a first thermoplastic plate. The bottom end of the longitudinal support frame is connected to the transverse support frame.
[0012] Furthermore, a second pneumatic telescopic rod is fixedly installed on the inner wall of the transverse support frame, the output end of the second pneumatic telescopic rod is fixedly connected to a second plywood, the outer wall of the second plywood is fixedly connected to a second thermoplastic plate, the outer wall of the packaging bag limit frame is provided with a clamping block, the inner wall of the clamping block is provided with a thermoplastic hole, the first plywood is located on both sides of the thermoplastic hole, and the outer wall of the packaging bag limit frame is welded to a pull rod.
[0013] In the above technical solution, the utility model provides an automatic packaging system for polyester resin, which has the following beneficial effects:
[0014] 1. By setting up the auger and the stirring blade for use together, it is convenient to prevent the polyester resin powder from being adsorbed on the inner wall of the material bin during the quantitative packaging, thereby improving the practicality of the equipment;
[0015] 2. By controlling the number of revolutions of the auger, the amount of material discharged can be controlled. At the same time, the valve plate and gravity sensor are used to detect the amount of polyester resin powder packaged, thereby improving the accuracy of package weighing. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0017] Figure 1 A schematic diagram of the main structure of an automatic packaging system for polyester resin provided by an embodiment of the utility model;
[0018] Figure 2 A bottom-up structural diagram of an automatic packaging system for polyester resin provided by an embodiment of the utility model;
[0019] Figure 3A schematic structural diagram of a feeder for an automatic packaging system for polyester resin provided by an embodiment of the present utility model;
[0020] Figure 4 A schematic structural diagram of a packaging component of an automatic packaging system for polyester resin provided by an embodiment of the present utility model;
[0021] Figure 5 A schematic diagram of the structure of a weighing valve of an automatic packaging system for polyester resin provided by an embodiment of the utility model;
[0022] Figure 6 A schematic diagram of the parcel rack structure of an automatic packaging system for polyester resin provided in an embodiment of the present utility model;
[0023] Figure 7 A schematic diagram of the hot melt structure of an automatic packaging system for polyester resin provided in an embodiment of the utility model.
[0024] In the figure: material bin 100, viewing window 110, support leg 120, conical discharge bin 130, discharge pipe 140, valve plate 150, gravity sensor 151, servo motor 152, packaging flat tube 160, top cover 200, air vent 201, feed bin 210, end cover 211, servo motor 220, stirring shaft 230, stirring blade 240, auger rod 250, bracket 300, bearing seat 310, packaging bag feed roller 320, longitudinal support frame 330, first pneumatic telescopic rod 340, first splint 341, first thermoplastic plate 342, transverse support frame 350, second pneumatic telescopic rod 360, second splint 361, second thermoplastic plate 362, packaging bag limit frame 370, thermoplastic hole 371, pull rod 372. DETAILED DESCRIPTION
[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.
[0026] Example 1:
[0027] See also Figure 1-Figure 4 As shown;
[0028] The utility model discloses an automatic packaging system for polyester resin, which is a material bin 100 for holding polyester resin powder. A conical discharge bin 130 is provided at the bottom of the material bin 100, and the bottom of the conical discharge bin 130 is connected to a discharge pipe 140. The inner wall of the discharge pipe 140 is rotatably connected to a weighing valve. The weighing valve is provided to weigh the amount discharged from the discharge pipe 140. The bottom end of the discharge pipe 140 is connected to a packaging flat tube 160. The outer wall of the packaging flat tube 160 is provided with a packaging component. The packaging component includes a packaging bag limit frame 370 and a hot melter for thermoplastic packaging of the packaging bag. A discharger is installed on the inner wall of the material bin 100, and a visual window 110 is provided on the outer wall of the material bin 100. The visual window 110 is provided to facilitate viewing of the remaining amount of polyester resin powder inside the material bin 100.
[0029] Example 2:
[0030] See also Figure 3 As shown;
[0031] The utility model discloses an automatic packaging system for polyester resin, wherein the feeder includes a top cover 200, which is plugged into and installed on the top of a material bin 100, and an air vent 201 is opened on the top of the material bin 100, and a feed bin 210 is fixedly installed on the inner and outer walls of the material bin 100, and an end cover 211 is installed on the top of the feed bin 210, and a servo motor 220 is fixedly installed on the top of the feed bin 210, and the output shaft of the servo motor 220 is connected to a stirring shaft 230, and a stirring blade 240 is fixedly installed on the outer wall of the stirring shaft 230, and the stirring blade 240 is in rotational contact with the inner wall of the conical feed bin 130, and the bottom end of the stirring shaft 230 is fixedly connected to an auger rod 250, and the bottom end of the auger rod 250 is in rotational contact with the inner wall of the feed pipe 140. By turning on the servo motor 220, the servo motor 220 drives the stirring blade 240 and the auger rod 250 to rotate, so that the polyester resin powder in the material bin 100 falls into the feed pipe 140.
[0032] Example 3:
[0033] See also Figure 4-Figure 7 As shown;
[0034] The utility model discloses an automatic packaging system for polyester resin, wherein the weighing valve includes a valve plate 150, and both ends of the valve plate 150 are rotatably connected to the inner wall of a discharge tube 140 through a rotating shaft, and a servo motor 152 is fixedly installed on the outer wall of the discharge tube 140. A gravity sensor 151 is fixedly installed on the top of the valve plate 150, and the gravity sensor 151 is provided to weigh the polyester resin powder, and the material is discharged by adjusting the number of rotations of the auger rod 250. The gravity sensor 151 is used to detect the amount of quantitative packaging, thereby facilitating the improvement of the accuracy of the packaging weight of the packaging bag. The polyester resin is weighed by the valve plate 150 and the gravity sensor 151. After reaching the predetermined weight, the servo motor 220 is stopped, and the valve plate 150 is driven to rotate by turning on the servo motor 152, so that the polyester resin powder on the top of the valve plate 150 falls into the packaging flat tube 160.
[0035] Example 2:
[0036] See also Figure 1-Figure 5 As shown;
[0037] The utility model discloses an automatic packaging system for polyester resin. The outer wall of the bottom end of the conical discharge bin 130 is fixedly mounted with a support leg 120. The packaging assembly includes a bracket 300, which is fixedly mounted on the outer wall of the support leg 120. The top of the bracket 300 is fixedly mounted with a bearing seat 310. The inner wall of the bearing seat 310 is rotatably connected to the packaging bag feeding roller 320.
[0038] The heat melter includes a longitudinal support frame 330, which is mounted on the outer wall of the bracket 300. A first pneumatic telescopic rod 340 is fixedly mounted on the inner wall of the bracket 300. The output ends of the two first pneumatic telescopic rods 340 are fixedly mounted with a first clamping plate 341. The outer wall of the first clamping plate 341 is fixedly mounted with a first thermoplastic plate 342. The bottom end of the longitudinal support frame 330 is connected to the transverse support frame 350. By opening the first pneumatic telescopic rod 340, the two first thermoplastic plates 342 are pushed into the interior of the thermoplastic hole 371, thereby thermoplastic sealing both sides of the packaging bag.
[0039] A second pneumatic telescopic rod 360 is fixedly installed on the inner wall of the horizontal support frame 350, and the output end of the second pneumatic telescopic rod 360 is fixedly connected to the second splint 361. The outer wall of the second splint 361 is fixedly connected to the second thermoplastic plate 362. The outer wall of the packaging bag limiting frame 370 is provided with a clamping block, and the inner wall of the clamping block is provided with a thermoplastic hole 371. The first splint 341 is located on both sides of the thermoplastic hole 371. The outer wall of the packaging bag limiting frame 370 is welded to the pull rod 372. By opening the second pneumatic telescopic rod 360, the second thermoplastic plate 362 is pushed to thermoplastically seal the outer wall of the packaging bag, thereby completing the packaging of the flat packaging bag to form a sealed packaging bag, and the polyester resin powder is added to the interior of the packaging bag through the packaging flat tube 160, and the automated packaging is completed.
[0040] The specific use process of the present invention is as follows: After use, a person skilled in the art will add polyester resin powder into the interior of the material bin 100 through the feed bin 210, rotate the packaging bag raw material roll through the packaging bag feeding roller 320 and install it on the bearing seat 310, pass the packaging bag between the packaging flat tube 160 and the packaging bag limiting frame 370, so that the packaging bag is wrapped on the outer wall of the packaging flat tube 160, and the two side ports of the packaging bag are plugged into the inner wall of the clamping block, and by turning on the servo motor 220, the servo motor 220 drives the stirring blade 240 and the auger rod 250 to rotate, so that the polyester resin powder in the material bin 100 falls into the discharge pipe 140, and passes through the valve plate 150 and the gravity sensor 15 The polyester resin is weighed. When the predetermined weight is reached, the servo motor 220 is stopped. The servo motor 152 is turned on to drive the valve plate 150 to rotate, causing the polyester resin powder on the top of the valve plate 150 to fall into the packaging flat tube 160. The first pneumatic telescopic rod 340 is turned on to push the two first thermoplastic plates 342 into the thermoplastic hole 371 to thermoplastically seal both sides of the packaging bag. The second pneumatic telescopic rod 360 is turned on to push the second thermoplastic plate 362 to thermoplastically seal the outer wall of the packaging bag, thereby completing the sealing of the flat packaging bag. The polyester resin powder is then poured into the packaging bag through the packaging flat tube 160, completing the automated packaging process.
[0041] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. An automatic packaging system for polyester resin, comprising a material bin (100) for containing polyester resin powder, wherein the bottom of the material bin (100) is provided with a conical discharge bin (130), and the bottom of the conical discharge bin (130) is connected to a discharge pipe (140), characterized in that: The inner wall of the feed tube (140) is rotatably connected to a weighing valve, the bottom end of the feed tube (140) is connected to a packaging flat tube (160), the outer wall of the packaging flat tube (160) is provided with a packaging assembly, the packaging assembly includes a packaging bag limiting frame (370) and a hot melter for thermoplastic packaging of the packaging bag, and the inner wall of the material bin (100) is installed with a feeder.
2. The automatic packaging system for polyester resin according to claim 1, characterized in that: The feeder comprises a top cover (200), which is plugged and installed on the top of the material bin (100). A vent hole (201) is provided on the top of the material bin (100), and a feed bin (210) is fixedly installed on the inner and outer walls of the material bin (100).
3. The automatic packaging system for polyester resin according to claim 2, characterized in that: An end cover (211) is installed on the top of the feed bin (210), a servo motor (220) is fixedly installed on the top of the feed bin (210), an output shaft of the servo motor (220) is connected to a stirring shaft (230), and a stirring blade (240) is fixedly installed on the outer wall of the stirring shaft (230).
4. The automatic packaging system for polyester resin according to claim 3, characterized in that: The stirring blade (240) is in rotational contact with the inner wall of the conical discharge bin (130), the bottom end of the stirring shaft (230) is fixedly connected to the auger rod (250), and the bottom end of the auger rod (250) is in rotational contact with the inner wall of the discharge pipe (140).
5. The automatic packaging system for polyester resin according to claim 1, characterized in that: The weighing valve includes a valve plate (150), both ends of the valve plate (150) are rotatably connected to the inner wall of the discharge pipe (140) via a rotating shaft, a servo motor (152) is fixedly installed on the outer wall of the discharge pipe (140), and a gravity sensor (151) is fixedly installed on the top of the valve plate (150).
6. The automatic packaging system for polyester resin according to claim 1, characterized in that: The outer wall of the bottom end of the conical discharge bin (130) is fixedly mounted with a support leg (120); the packaging assembly comprises a bracket (300); the bracket (300) is fixedly mounted on the outer wall of the support leg (120); the top of the bracket (300) is fixedly mounted with a bearing seat (310); the inner wall of the bearing seat (310) is rotatably connected to a packaging bag feeding roller (320).
7. The automatic packaging system for polyester resin according to claim 6, characterized in that: The hot melter comprises a longitudinal support frame (330), wherein the longitudinal support frame (330) is mounted on the outer wall of the bracket (300), a first pneumatic telescopic rod (340) is fixedly mounted on the inner wall of the bracket (300), a first clamping plate (341) is fixedly mounted on the output ends of the two first pneumatic telescopic rods (340), a first thermoplastic plate (342) is fixedly mounted on the outer wall of the first clamping plate (341), and the bottom end of the longitudinal support frame (330) is connected to the transverse support frame (350).
8. The automatic packaging system for polyester resin according to claim 7, characterized in that: A second pneumatic telescopic rod (360) is fixedly mounted on the inner wall of the transverse support frame (350), the output end of the second pneumatic telescopic rod (360) is fixedly connected to a second clamping plate (361), the outer wall of the second clamping plate (361) is fixedly connected to a second thermoplastic plate (362), the outer wall of the packaging bag limiting frame (370) is provided with a clamping block, the inner wall of the clamping block is provided with a thermoplastic hole (371), the first clamping plate (341) is located on both sides of the thermoplastic hole (371), and the outer wall of the packaging bag limiting frame (370) is welded to a pull rod (372).